Additive Manufacturing Publications

3D Printed Helmholtz Microstreaming Structures: Analysis of Bubble Dynamics, Bulk Fluid Disturbance, and Resiliency in Nonquiescent Conditions.
 Kieran Fung, Shouhong Fan, Thomas J Kolibaba, Benjamin W Caplins, Jason P Killgore, Xiaoyun Ding, Yifu Ding. 2024. Read more.
Bridging length scales in hard materials with ultra-small angle X-ray scattering–a critical review. 
Fan Zhang, Jan Ilavsky. 2024. Read more.
Cross-sectional Melt Pool Geometry of Laser Scanned Tracks and Pads for the 2022 Additive Manufacturing Benchmark Challenges. 
Jordan Weaver, David Deisenroth, Sergey Mekhontsev, Brandon Lane, Lyle E. Levine, Ho Yeung. 2024. Read more.
Filament disturbance and fusion during embedded 3D printing of silicones.  
Leanne M. Friedrich, Jeremiah W. Woodcock. 2024. Read more.
Impact of Interfaces on the CO2 Permeability of Photopatterned Two-Stage Thiolene Polymer Films.     
Adrienne K. Blevins, Leiqing Hu, Adib A. Azad, Lewis M. Cox, Jason P. Killgore, Haiqing Lin, Yifu Ding. 2024. Read more.
Location-Specific Microstructure Characterization Within AM Bench 2022 Laser Tracks on Bare Nickel Alloy 718 Plates    
2024. Read more.
Location-Specific Microstructure Characterization Within AM Bench 2022 Nickel Alloy 718 3D Builds    2024
Measuring stem cell dimensionality in tissue scaffolds    2024
Nondestructive, longitudinal, 3D oxygen imaging of cells in a multi-well plate using pulse electron paramagnetic resonance imaging    2024
Online Measurement for Parameter Discovery in Fused Filament Fabrication    2024
Outcomes and Conclusions from the 2022 AM Bench Measurements, Challenge Problems, Modeling Submissions, and Conference    2024
Phase composition and phase transformation of additive manufactured nickel alloy 718 AM Bench 2022 artifacts    2024
Providing a Rigorous Benchmark Measurement Foundation for Modeling-Informed Qualification and Certification of Metal Additive Manufactured Components    2024
Quality by Design Considerations for Drop-on-Demand Point-of-Care Pharmaceutical Manufacturing of Precision Medicine    2024
Results of an interlaboratory study on the working curve in vat photopolymerization    2024
Tailoring Properties of 3D-Printable Polyelectrolyte Photopolymer Complexes with Reactive Diluents    2024
A Data‐Driven Approach to Complex Voxel Predictions in Grayscale Digital Light Processing Additive Manufacturing Using U‐Nets and Generative Adversarial Networks    2023
Characterization of Die-Swell in Thermoplastic Material Extrusion    2023
Characterizing light engine uniformity and its influence on liquid crystal display based vat photopolymerization printing    2023
In situ probing of interfacial roughness and transient phases during ceramic cold sintering process    2023
Influence of fluorescent dopants on the vat photopolymerization of acrylate-based plastic scintillators for application in neutron/gamma pulse shape discrimination    2023
Polybutadiene Click Chemistry: A Rapid and Direct Method for Vat Photopolymerization    2023
Simultaneous rheology and cure kinetics dictate thermal post-curing of thermoset composite resins for material extrusion    2023
Solidification modes during additive manufacturing of steel revealed by high-speed X-ray diffraction    2023
Steady Melting in Material Extrusion Additive Manufacturing    2023
Sustainable additive manufacturing of polyelectrolyte photopolymer complexes    2023
Synergistic fire resistance of nanobrick wall coated 3D printed photopolymer lattices    2023
Three-dimensional, label-free cell viability measurements in tissue engineering scaffolds using optical coherence tomography    2023
A 3D printed mimetic composite for the treatment of growth plate injuries in a rabbit model    2022
Engineering 3D Printed Scaffolds with Tunable Hydroxyapatite    2022
ExaAM: Metal additive manufacturing simulation at the fidelity of the microstructure    2022
In situ microstructure characterization of potassium di-phosphate (KDP) densification during cold sintering    2022
Numerical Investigation of Tear Testing of a Single Weld Formed by Fused Filament Fabrication    2022
Phase transformation dynamics guided alloy development for additive manufacturing    2022
Photopatterning of two stage reactive polymer networks with CO 2-philic thiol–acrylate chemistry: enhanced mechanical toughness and CO 2/N 2 selectivity    2022
Preview of the 2022 Additive Manufacturing Benchmark Test Series and Conference (AM-Bench)    2022
Simulated stress mitigation strategies in embedded 3D bioprinting    2022
Suppression of filament defects in embedded 3D printing    2022
Comparing Polarized Raman Spectroscopy and Birefringence as Probes of Molecular Scale Alignment in 3D Printed Thermoplastics    2021
Effect of the scanning strategy on the formation of residual stresses in additively manufactured Ti-6Al-4V    2021
Estimations of the effective Young's modulus of specimens prepared by fused filament fabrication    2021
Fabrication of 3D Printed Hydroxyapatite Composite Scaffolds for Bone Regeneration    2021
How austenitic is a martensitic steel produced by laser powder bed fusion? a cautionary tale    2021
In situ absorption synchrotron measurements, predictive modeling, microstructural analysis, and scanning probe measurements of laser melted Ti-6Al-4V single tracks for additive …    2021
Influence of solidification structure on austenite to martensite transformation in additively manufactured hot-work tool steels    2021
Protocol for Solution Blow Spinning of Polymeric Nano-Composite Fibers for Personal Protective Equipment.     2021
Simulated filament shapes in embedded 3D printing    2021
Solid-State Transformation of an Additive Manufactured Inconel 625 Alloy at 700 ◦C    2021
Solvent-cast 3D Printing of Biodegradable Polymer Scaffolds    2021
The creep and fracture properties of additively manufactured inconel 625    2021
3D printed optical concentrators for LED arrays    2020
AMB2018-03: Benchmark physical property measurements for material extrusion additive manufacturing of polycarbonate    2020
Compressive deformation analysis of large area pellet-fed material extrusion 3D printed parts in relation to in situ thermal imaging    2020
Development of computational framework for titanium alloy phase transformation prediction in laser powder-bed fusion additive manufacturing    2020
Digital light processing in a hybrid atomic force microscope: In Situ, nanoscale characterization of the printing process    2020
Effects of Environmental Temperature and Humidity on the Geometry and Strength of Polycarbonate Specimens Prepared by Fused Filament Fabrication    2020
Effects of feed rates on temperature profiles and feed forces in material extrusion additive manufacturing    2020
Extending the Effective Temperature Model to the Large Strain Hardening Behavior of Glassy Polymers    2020
In situ measurements of melt pool length and cooling rate during 3D builds of the metal AM-Bench artifacts    2020
Location-specific Microstructure Characterization Within IN625 Additive Manufacturing Benchmark Test Artifacts    2020
Measurements of Melt Pool Geometry and Cooling Rates of Individual Laser Traces on IN625 Bare Plates    2020
Microscale photopatterning of through‐thickness modulus in a monolithic and functionally graded 3D‐printed part    2020
Nitrogen effects in additively manufactured martensitic stainless steels: conventional thermal processing and comparison with wrought    2020
Outcomes and Conclusions from the 2018 AM-Bench Measurements, Challenge Problems, Modeling Submissions, and Conference    2020
Photo-tunable hydrogel mechanical heterogeneity informed by predictive transport kinetics model    2020
Precipitation kinetics, microstructure evolution and mechanical behavior of a developed Al–Mn–Sc alloy fabricated by selective laser melting    2020
Processing-Structure-Property Relationships of Polycarbonate Samples Prepared by Fused Filament Fabrication    2020
Sensitivity of Thermal Predictions to Uncertain Surface Tension Data in Laser Additive Manufacturing    2020
Spatially Controlled Permeability and Stiffness in Photopatterned Two-Stage Reactive Polymer Films for Enhanced CO₂ Barrier and Mechanical Toughness    2020
Upper bound of feed rates in thermoplastic material extrusion based additive manufacturing    2020
Voxel-scale conversion mapping informs intrinsic resolution in stereolithographic additive manufacturing    2020
AMB2018-04: Benchmark Physical Property Measurements for Powder Bed Fusion Additive Manufacturing of Polyamide 12    2019
Elastic residual strain and stress measurements and corresponding part deflections of 3D additive manufacturing builds of IN625 AM-Bench artifacts using neutron diffraction, synchrotron X-ray diffraction, and contour method    2019
Evaluation of a thermo-mechanical model for prediction of residual stress during laser powder bed fusion of Ti-6Al-4V    2019
Monitoring Fast, Voxel‐Scale Cure Kinetics via Sample‐Coupled‐Resonance Photorheology    2019
Phase Fraction and Evolution of Additively Manufactured (AM) 15-5 Stainless Steel and Inconel 625 AM-Bench Artifacts    2019
Simulation of TTT curves for additively manufactured Inconel 625    2019
Topographic measurement of individual laser tracks in alloy 625 bare plates    2019
Tunable mechanical anisotropy, crack guiding, and toughness enhancement in two‐stage reactive polymer networks    2019
A Preview of the NIST/TMS Additive Manufacturing Benchmark Test and Conference Series    2018
Coupled experimental and computational study of residual stresses of additively manufactured Ti-6Al-4V components    2018
Effect of heat treatment on the microstructural evolution of a nickel-based superalloy additive-manufactured by laser powder bed fusion    2018
Flow-induced crystallization during materials extrusion additive manufacturing    2018
Formation of Nb-rich droplets in laser deposited Ni-matrix microstructures    2018
Single Track Melt Pool Measurements and Microstructures in Inconel 625    2018
The Influence of Annealing Temperature and Time on the Formation of δ-Phase in Additively-Manufactured Inconel 625    2018
Application of Finite Element, Phase-field, and CALPHAD-based Methods to Additive Manufacturing of Ni-based Superalloys    2017
Determining conformational order and crystallinity in polycaprolactone via Raman spectroscopy    2017
Evaluating models for polycaprolactone crystallization via simultaneous rheology and Raman spectroscopy    2017
Formation of the Ni3Nb δ-phase in stress-relieved Inconel 625 produced via laser powder-bed fusion additive manufacturing    2017
Mechanical strength of welding zones produced by polymer extrusion additive manufacturing    2017
The Influence of Post-Build Microstructure on the Electrochemical Behavior of Additively Manufactured 17-4 PH Stainless Steel    2017
Weld formation during material extrusion additive manufacturing    2017
 Interlaboratory study for nickel alloy 625 made by laser powder bed fusion additive manufacturing to assess mechanical property variability    2016
Identifying uncertainty in laser powder bed fusion additive manufacturing models    2016
Infrared thermography of welding zones produced by polymer extrusion additive manufacturing    2016
Measurement of powder bed density in powder bed fusion additive manufacturing processes    2016
Recommended Protocols for Round Robin Studies in Additive Manufacturing    2016
Synchrotron 4-dimensional imaging of two-phase flow through porous media“Measurement of powder bed density in powder bed fusion additive manufacturing processes    2016
Thermographic Measurements of the Commercial Laser Powder Bed Fusion Process at NIST    2016
Unexpected δ-Phase Formation in Additive-Manufactured Ni-Based Superalloy    2016
Investigating the Role of Geometric Dimensioning and Tolerancing in Additive Manufacturing    2015
An additive manufacturing test artifact    2014
Freeform fabricated scaffolds with roughened struts that enhance both stem cell proliferation and differentiation by controlling cell shape    2012
Time-optimized X-ray micro CT imaging of polymer based scaffolds    2012
The determination of stem cell fate by 3D scaffold structures through the control of cell shape    2011
 

• Lane, Brandon M.; Moylan, Shawn P. P.; Whitenton, Eric P.; Ma, Li; “Thermographic Measurements of the Commercial Laser Powder Bed Fusion Process at NIST,” Rapid Prototyping Journal, v22, n5, 2016.
• S.P. Moylan, C.U. Brown, J.A. Slotwinski, “Recommended Protocols for Round Robin Studies in Additive Manufacturing,” ASTM Journal of Testing and Evaluation, v44, n2, 2016.
• Lopez, Felipe F.; Witherell, Paul W. (2016); Lane, Brandon M.; “Identifying uncertainty in laser powder bed fusion additive manufacturing models,” Journal of Mechanical Design, v138, 2016.
• Kim, Felix H.; Penumadu, D.; Patel, P.; Xiao, X.; Garboczi, E. J.; Moylan, Shawn P. P.; Donmez, M A; “Synchrotron 4-dimensional imaging of two-phase flow through porous media,” Journal of Materials Research, 2016.
• Jacob, Gregor, Donmez, M Alkan A., Moylan, Shawn P., Slotwinski, John A., “Measurement of powder bed density in powder bed fusion additive manufacturing processes,” Journal of Measurement Science and Technology, 2016.
• Brown, Christopher U.; Jacob, Gregor; Stoudt, Mark R. R. Dr.; Moylan, Shawn P. P.; Slotwinski, John A.; Donmez, M A.;  “Interlaboratory study for nickel alloy 625 made by laser powder bed fusion additive manufacturing to assess mechanical property variability,” JOM Journal of the Minerals Metals and Materials Society, v25, 2016.
• Ameta, Gaurav; Witherell, Paul W.; Lipman, Robert R. R. ; Moylan, Shawn P. P.;  “Investigating the Role of Geometric Dimensioning and Tolerancing in Additive Manufacturing,” Journal of Mechanical Design-Transactions of the ASME, v137, 2015.
• S.P. Moylan, J.A. Slotwinski, A.L. Cooke, K.L. Jurrens, M.A. Donmez, "An additive manufacturing test artifact," NIST Journal of Research, v119, 2014.
•  Shaw Feng, Paul Witherell, Gaurav Ameta, Duck Bong Kim, “Activity Model for Homogenization of Data Sets in Laser-based Powder Bed Fusion,” Rapid Prototyping Journal, 2017.
• Duck Bong Kim, Paul Witherell, Robert Lipman, and Shaw Feng, “Streamlining the Additive Manufacturing Digital Spectrum: A Systems Approach,” Additive Manufacturing, Vol. 5, 20-30, 2015.
• Paul Witherell, Shaw Feng, Timothy W. Simpson, David B. Saint John, Pan Michaleris, Zi-Kui Liu, Long-Qing Chen, Rich Martukanitz, “Towards Metamodels for Composable and Reusable Additive Manufacturing Process Models,” Journal of Manufacturing Science and Engineering, December 2014.

• Fox, Jason C.; Lopez, Felipe F.; Lane, Brandon M.; Yeung, Ho; Grantham, Steven E.; “On the Requirements for Model-Based Thermal Control of Melt Pool Geometry in Laser Powder Bed Fusion Additive Manufacturing,” Proceedings of the 2016 Material Science & Technology Conference, 2016.
• Lopez, Felipe F.; Witherell, Paul W.; Lane, Brandon M.; “Identifying uncertainty in Laser Powder Bed Fusion models,” Proceedings of the ASME 2016 Manufacturing Science and Engineering Conference (MSEC2016), 2016.
• Ameta, Gaurav; Moylan, Shawn P. P.; Witherell, Paul W.; “CHALLENGES IN TOLERANCE TRANSFER FOR ADDITIVE MANUFACTURING,” ASPE Topical Meeting, 2016.
•  Whitenton, Eric P., Lane, Brandon M., Heigel, Jarred C., Moylan, Shawn P., “Assessing the use of an infrared spectrum hyperpixel array imager to measure temperature during additive and subtractive manufacturing,” Proceedings of SPIE Vol. 9861 Thermosense: Thermal Infrared Applications XXXVIII, Baltimore, MD, US, 04/18/2016 to 04/21/2016.
• Lane, Brandon M., Whitenton, Eric P., Moylan, Shawn P., “Multiple Sensor Detection of Process Phenomena in Laser Powder Bed Fusion,” Proceedings of the SPIE Defense, Security, and Sensing, Baltimore, MD, US, 04/18/2016 to 04/21/2016.
• McGlauflin, Michael Leigh L., Moylan, Shawn P., “Powder Bed Layer Geometry,” Proceedings of the 2016 ASPE Summer Topical Meeting: Dimensional Accuracy and Surface Finish in Additive Manufacturing, Raleigh, NC, US, June 27 – 30, 2016.
• Fox, Jason C., Moylan, Shawn P., Lane, Brandon M., “Preliminary Study Toward Surface Texture as a Process Signature in Laser Powder Bed Fustion Additive Manufacturing,” Proceedings of the 2016 ASPE Summer Topical Meeting: Dimensional Accuracy and Surface Finish in Additive Manufacturing, Raleigh, NC, US, June 27 – 30, 2016.
• Kim, Felix H., Villarraga-Gomez, Herminso, Moylan, Shawn P. (2016), “Inspection of embedded internal features in additively manufactured metal parts using metrological x-ray computed tomography,” Proceedings of the 2016 ASPE Summer Topical Meeting: Dimensional Accuracy and Surface Finish in Additive Manufacturing, Raleigh, NC, US, June 27 – 30, 2016.
• Whiting, Justin G.; Fox, Jason C.; “Characterization of Feedstock in the Powder Bed Fusion Process: Sources of Variation in Particle Size Distribution and the Factors that Influence them,” Proceedings of the Solid Freeform Fabrication Symposium, 2016.
• Fox, Jason C., Moylan, Shawn P., Lane, Brandon M., “Effect of process parameters on the surface roughness of overhanging structures in laser powder bed fusion additive manufacturing,” 3rd CIRP Conference on Surface Integrity (CIRP CSI), Charlotte, NC, US, June 8 – 10, 2016.
• Moylan, Shawn P. P.; Land, Joshua; Possolo, Antonio M.; “Additive Manufacturing Round Robin Protocols: A Pilot Study,” Proceedings of the Solid Freeform Fabrication Symposium, 2015.
• Lane, Brandon M., Moylan, Shawn P., Whitenton, Eric P., Ma, Li, “Thermographic Measurements of the Commercial Laser Powder Bed Fusion Process at NIST,” Proceedings of the Solid Freeform Fabrication Symposium, 2015.
• Vlasea, Mihaela L.; Lane, Brandon M.; Lopez, Felipe F.; Mekhontsev, Sergey; Donmez, M Alkan A.; “Development of powder bed fusion additive manufacturing test bed for enhanced real time process control,” Proceedings of the Solid Freeform Fabrication Symposium, 2015. 
•  Ameta, Gaurav; Lipman, Robert R. R.; Witherell, Paul W.; Moylan, Shawn P. P.; “Tolerance Specification and Related Issues for Additively Manufactured Products,” Proceedings of the ASME 2015 Computers and Information in Engineering Conference (CIE), 2015.
• Lane, Brandon M.; Moylan, Shawn P. P.; Whitenton, Eric P.; “Post-process machining of additive manufactured stainless steel,” Proceedings of the 2015 ASPE Spring Topical Meeting: Achieving Precision Tolerances in Additive Manufacturing, 2015.
• T.H. Gnaeupel-Herold, J.A. Slotwinski, S.P. Moylan, "Neutron measurements of stresses in a test artifact produced by laser-based additive manufacturing," AIP Conference Proceedings, vol. 1581, 2014.
• S.P. Moylan, J.A. Slotwinski, "Assessment of Guidelines for conducting round robin studies in additive manufacturing," Proceedings of ASPE 2014 Spring Topical Meeting – Dimensional Accuracy and Surface Finish in Additive Manufacturing, Berkeley, CA, April 14-16, 2014.
• S.P. Moylan, J. Drescher, M.A. Donmez, "Powder bed fusion machine performance testing," Proceedings of ASPE 2014 Spring Topical Meeting - Dimensional Accuracy and Surface Finish in Additive Manufacturing, Berkeley, CA, April 14-16, 2014.
• M. Bauza, S.P. Moylan, R. Panas, S. Burke, H. Martz, J.S. Taylor, P. Alexander, R. Knebel, "Study of accuracy of parts produced using additive manufacturing," Proceedings of ASPE 2014 Spring Topical Meeting - Dimensional Accuracy and Surface Finish in Additive Manufacturing, Berkeley, CA, April 14-16, 2014.  
• J.A. Slotwinski, S.P. Moylan, "Metals-based additive manufacturing: Metrology needs and standardization efforts," Proceedings of ASPE 2014 Spring Topical Meeting - Dimensional Accuracy and Surface Finish in Additive Manufacturing, Berkeley, CA, April 14-16, 2014.
•  S.P. Moylan, E.P. Whitenton, B.M. Lane, "Infrared thermography for laser-based powder fusion additive manufacturing processes," Proceedings of the 40^th Annual review of Progress in Quantitative Nondestructive Evaluation, Baltimore, MD, United States, June 22-26, 2013.
• S.P. Moylan, A.L. Cooke, K.K. Jurrens, J.A. Slotwinski, and M.A. Donmez,"Proposal for a standardized test artifact for additive manufacturing machines and processes," Proceedings of the 23^rdInternational Solid Free Form Symposium – An Additive Manufacturing Conference, Austin, TX, USA, August 2012.
•  A.L. Cooke and S.P. Moylan, “Process Intermittent Measurement for Powder-Bed Based Additive Manufacturing,” 22nd International SFF Symposium—An Additive Manufacturing Conference, Austin, TX, USA, August 8-10, 2011, pp. 1-18, 2011.
•  Paul Witherell, Yan Lu, Al Jones, "Additive manufacturing: A trans-disciplinary experience," In Transdisciplinary Perspectives on Complex Systems, pp. 145-175. Springer International Publishing, 2017.
• Ibrahim Assouroko, Felipe Lopez, Paul Witherell, “A Method for Characterizing Model Fidelity in Laser Powder Bed Fusion Additive Manufacturing,” ASME IMECE 2016, Phoenix, AZ, November 2016.
• Byeong Min Roh, Timothy Simpson, Soundar Kumara, Ibrahim Assouroko, Paul Witherell, “Ontology-based Laser and Thermal Metamodels for Metal-based Additive Manufacturing,” ASME IDETC/ CIE, Charlotte, NC, August 2016.
• Yan Lu, Paul Witherell, Felipe Lopez, Ibrahim Assouroko, “Digital Solutions for Integrated and Collaborative Additive Manufacturing,” ASME IDETC/ CIE, Charlotte, NC, August 2016.
• Paul Witherell, Jennifer Herron, Gaurav Ameta, “Toward Annotations and Product Definitions for Additive Manufacturing,” CIRP CAT, Gothenburg, Sweden, May 2016.
• Yan Lu, Sangsu Choi, Paul Witherell, “Towards an Integrated Data Schema Design for Additive Manufacturing: Conceptual Modeling,” 2015 CIE/IDETC, Boston, MA, August 2015.
• Robert Lipman, Jeremy McFarlane, “Exploring Model-Based Engineering Concepts for Additive Manufacturing,” 2015 SFF, Austin, TX, August 2015.
• Feng, Shaw C C.; Witherell, Paul W.; Ameta, Gaurav; Kim, Duck B.; “Fundamental Requirements for Data Representations in Laser-based Powder Bed Fusion,” Proceedings of the 2015 Manufacturing Science and Engineering Conference, 2015.
•  Witherell, Paul W.; Feng, Shaw C C.; Simpson, Timothy; “Toward Metamodels for Composable and Reusable Additive Manufacturing Process Models,” ASME 2014 International Design and Engineering Technical Conferences & Computers and Information in Engineering Conference, 2014.

• Brown, Christopher U.; Jacob, Gregor; Stoudt, Mark R. R. Dr.; Possolo, Antonio M.; Moylan, Shawn P. P.; Donmez, M A.; “Supplementary information for a round robin study of additively manufactured nickel alloy (IN625) tension specimens,” NIST Interagency/Internal Report (NISTIR) 8100, 2015.
• Mani, Mahesh; Lane, Brandon M.; Donmez, M A.; Feng, Shaw C C. ; Moylan, Shawn P. P. ; Fesperman Jr., Ronnie R.; “Measurement Science Needs for Real-time Control of Additive Manufacturing Powder Bed Fusion Processes,” NIST Interagency/Internal Report (NISTIR) 8036, 2015.
• J.A. Slotwinski, S.P. Moylan, "Applicability of existing materials testing standards for additive manufacturing," NISTIR 8005, 2014.
• S.P. Moylan, A.L. Cooke, K.K. Jurrens, J.A. Slotwinski, and M.A. Donmez, “A Review of Test Artifacts for Additive Manufacturing,” NIST Interagency/Internal Report (NISTIR) 7858, May 2012.
• J.A. Slotwinski, A.L. Cooke, and S.P. Moylan, “Mechanical Properties Testing for Metal Parts Made via Additive Manufacturing: A Review of the State of the Art of Mechanical Property Testing,” NIST Interagency/Internal Report 7847, 2012.
• S.P. Moylan, J. A. Slotwinski, A.L. Cooke, K.K. Jurrens, M.A. Donmez, "Lessons Learned in Establishing the NIST Metal Additive Manufacturing Laboratory," NIST TN 1801, June 2013.